Energy Transformations

14 Questions  I  By Pvazquez
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 Energy Transformations
Identify how energy changes form.

  
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Questions and Answers

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  • 1. 
    A change in composition or structure is called ____.
    • A. 

      Energy

    • B. 

      Transformation

    • C. 

      Generator

    • D. 

      Turbine

    • E. 

      Reformation


  • 2. 
    Energy forms can be ____.
    • A. 

      Chemical

    • B. 

      Thermal

    • C. 

      Electrical

    • D. 

      Radiant

    • E. 

      All of the above


  • 3. 
    Energy is ___ changing.
    • A. 

      Always

    • B. 

      Never

    • C. 

      Sometimes


  • 4. 
    Energy transformations that involve chemical changes also produce ___.
    • A. 

      Electricity

    • B. 

      Friction

    • C. 

      Radiation

    • D. 

      Heat

    • E. 

      Sound


  • 5. 
    The law of conservation states: ___
    • A. 

      Energy can be created and destroyed.

    • B. 

      Energy is never created nor destroyed.

    • C. 

      What goes up must come down.

    • D. 

      Electrical energy can be transformed into other forms.


  • 6. 
    _____ cars use an electric motor as well as a gasoline engine.
    • A. 

      Electric

    • B. 

      Mechanical

    • C. 

      Hybrid

    • D. 

      Generic

    • E. 

      SUV


  • 7. 

    Where is the potential energy greatest?
    • A. 

      At the dip two cars past the red arrow.

    • B. 

      As the car is moving up the hill 3 cars past the red arrow.

    • C. 

      At the top of the hill before the red arrow.

    • D. 

      There is no example of potential energy.


  • 8. 

    Where is the kinetic energy GREATEST?
    • A. 

      As the biker is climbing the hill.

    • B. 

      As the biker is at the top of the hill.

    • C. 

      AS the biker is on the downside of the hill.

    • D. 

      There is no example of kinetic energy.


  • 9. 
    __________ energy is the type of energy light has..
    • A. 

      Potential

    • B. 

      Thermal

    • C. 

      Radiant

    • D. 

      Electrical


  • 10. 
    During energy transformations, energy is never __________.
    • A. 

      Released as heat

    • B. 

      Used to increase an object's potential energy

    • C. 

      Created or destroyed

    • D. 

      Completely transformed


  • 11. 

    A __________ is a device that transforms kinetic energy into electrical energy.
    • A. 

      Furnace

    • B. 

      Boiler

    • C. 

      turbine

    • D. 

      Generator


  • 12. 
    A baseball is hit into the air with a bat. When does the baseball have the greatest gravitational potential energy?
    • A. 

      When it reaches its highest point

    • B. 

      When the mechanical and kinetic energies of the baseball are equal

    • C. 

      When it leaves the bat

    • D. 

      When it hits the ground


  • 13. 
    __________ is energy stored by things that stretch or compress.  
    • A. 

      Elastic potential energy

    • B. 

      Chemical kinetic energy

    • C. 

      Elastic kinetic energy

    • D. 

      Gravitational potential


  • 14. 
    What two factors determine how much gravitational potential energy is in an object?  
    • A. 

      Weight and speed of the object

    • B. 

      Shape of the object and its position relative to the ground

    • C. 

      Weight of the object and height above the ground

    • D. 

      Shape and speed of the object


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